This vulnerability in RealMag777 GMap Targeting (<= 1.1.7) is caused by improper neutralization of input during web page generation, resulting in reflected cross-site scripting (XSS). An attacker can craft a malicious URL or input that, when processed by the application, causes execution of arbitrary scripts in the victim's browser. The CVSS 3.1 base score is 7.1, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and low impacts on confidentiality, integrity, and availability.

Successful exploitation allows an attacker to execute arbitrary scripts in the context of the victim's browser session, potentially leading to theft of sensitive information, session hijacking, or other malicious actions impacting confidentiality, integrity, and availability to a limited extent. The scope is changed, indicating the vulnerability affects resources beyond the initially vulnerable component.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official patch or fix links are provided, users should monitor RealMag777 communications for updates. Until a fix is available, consider applying input validation or web application firewall rules to detect and block malicious input patterns related to reflected XSS.